- On the death of her husband Constantine X, Eudocia Macrembolitissa becomes regent of the Byzantine Empire.
- The Seljuk Turks take Caesarea in Cappadocia.
- Construction begins on the Tower of London.
- Olav III and Magnus II become joint Kings of Norway.
- The Trencavel family takes over in Carcassonne.
- The Wartburg castle, according to legend, is built in Thuringia.
- Winchester Castle is built.